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Note 2 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Detail) - The following table summarizes the initial allocation of the purchase price for JBC and Myers (in thousands): (Parentheticals) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012
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Current assets, including cash (in Dollars) | $ 3,370
JBC [Member] |
Current assets, including cash (in Dollars) | 4,662
Myers [Member] |
Current assets, including cash (in Dollars) | 654
Cash paid (in Dollars) | $ 409

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- Definition Business acquisition purchase price allocation receivable. + References No definition available. + Details
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Namespace Prefix: | strl_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant